Oxygen Solubility in Liquid Gallium and Liquid Indium

Narushima, Takayuki; Sajuti, Djusman; Saeki, Katsuyuki; Yoshida, Shin ya; Iguchi, Yasutaka

doi:10.2320/jinstmet1952.59.1_37

Cited by 9 publications

(5 citation statements)

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“…The maximum recorded oxygen content does not exceed 0.2 at.%. Most of the measurements agree with each other, [31][32][33] while the solubility reported by other authors appears as underestimated 34 or overestimated. 35 In the last two works, the solubility has been calculated from the measurements of diffusivity and/or electromotive force (emf), which require taking a great care to avoid systematic errors.…”

Section: (2) Solubility Of Oxygen In Liquid Galliumsupporting

confidence: 81%

“…35 In the last two works, the solubility has been calculated from the measurements of diffusivity and/or electromotive force (emf), which require taking a great care to avoid systematic errors. Taking a large scatter between the solubility values into account, 34,35 the direct determinations of oxygen content 32,33 have to be preferred.…”

Section: (2) Solubility Of Oxygen In Liquid Galliummentioning

confidence: 99%

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Thermodynamic Assessment of the Gallium‐Oxygen System

Zinkevich

Aldinger

2004

Journal of the American Ceramic Society

151

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The experimental information relevant to the Ga‐O binary system has been critically assessed. A self‐consistent set of Gibbs energy functions describing the phases in this system and a phase diagram are presented for the first time. The adjustable parameters of the models are obtained by a least‐squares fit to the experimental data. The liquid phase is described by Hillert's partially ionic liquid model. The gallium oxides (α‐, β‐, γ‐, and δ‐Ga2O3) are modeled as stoichiometric phases. The gas phase is treated as an ideal solution of the species Ga, Ga2, Ga2O, GaO, O, O2, and O3. The calculated phase diagram and thermodynamic properties agree very well with most of the experimental measurements.

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Section: (2) Solubility Of Oxygen In Liquid Galliumsupporting

confidence: 81%

Section: (2) Solubility Of Oxygen In Liquid Galliummentioning

confidence: 99%

Thermodynamic Assessment of the Gallium‐Oxygen System

Zinkevich

Aldinger

2004

Journal of the American Ceramic Society

151

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“…This value corresponds to 0.0009 in mole fraction of oxygen. It is very small and not much different from the solubility of oxygen in liquid indium coexisting with In 2 O 3 0.0010 13) at 1173 K.…”

Section: Phase Relations In In-sn-o Ternary System (Equilibrium-quencmentioning

confidence: 75%

Thermodynamics of Indium-Tin-Oxygen Ternary System

2011

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A new pyrometallurgical process for the recovery of metallic indium and tin from ITO scrap has been proposed based on the present thermodynamic study on the In-Sn-O ternary system. In the present study the phase relations and the equilibrium partial pressures of oxygen in the ternary system were determined at the temperature of 1173 K. Then by applying the Gibbs-Duhem equation to the phase relation of alloyoxide equilibrium, the activities of the components were obtained at 1173 K using the equilibrium partial pressures of oxygen. Moreover, the vapor pressures of indium and tin were calculated at temperatures of 1173 and 1400 K to discuss the proposed process. The process consists of two stages of reaction: first is the reduction of ITO by CO to In-Sn alloy at a low temperature. Second is the preferential vaporization of indium at a high temperature due to the three orders of magnitude difference between the vapor pressure of indium and that of tin.

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“…An influence of a potential corrosion concern due to oxygen impurity can't be excluded neither. At room temperature, the solubility of oxygen in gallium or indium is extremely low but reaches ppm levels above 500 °C [29] . Overall LME is observed over a temperature interval of 150 °C.…”

Section: Discussionmentioning

confidence: 99%